diff --git a/framework/Pack/lib/Horde/Pack/Driver/Serialize.php b/framework/Pack/lib/Horde/Pack/Driver/Serialize.php
index d1e1aad9774..79080034e10 100644
--- a/framework/Pack/lib/Horde/Pack/Driver/Serialize.php
+++ b/framework/Pack/lib/Horde/Pack/Driver/Serialize.php
@@ -42,7 +42,7 @@ public function pack($data)
     public function unpack($data)
     {
         $out = @unserialize($data);
-        if (($out !== false) || ($out == serialize(false))) {
+        if (($out !== false) || ($data == serialize(false))) {
             return $out;
         }